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Finding the Fourth Proportional to 265,859.91, 398,789.87 and 108,051.39

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Solution

The fourth proportional to 265,859.91, 398,789.87 and 108,051.39 is: 162,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,859.91 : 398,789.87 = 108,051.39 : x
  2. Step 2: Convert to fraction form
    265,859.91/398,789.87 = 108,051.39/x
  3. Step 3: Cross multiply
    265,859.91x = 398,789.87 × 108,051.39
  4. Step 4: Simplify right side
    265,859.91x = 43,089,799,231.16
  5. Step 5: Solve for x
    x = 43,089,799,231.16/265,859.91
  6. Step 6: Final answer
    x = 162,077.09

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